NEET 2012 Biology question

Signals for parturition originate from

(1)Fully developed foetus only
(2)Both placenta as well as fully developed foetusCorrect
(3)Oxytocin released from maternal pituitary
(4)Placenta only

Answer: (2)

Solution

Parturition (child birth) is induced by a complex neuroendocrine mechanism. According to NCERT, the signals for parturition originate from the fully developed foetus and the placenta, which induce mild uterine contractions called the foetal ejection reflex. This triggers the release

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-091225